The Company recorded stock-based compensation in the following expense categories in its condensed consolidated statement of operations for employees and non-employees:


	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025
Research and development	$	5,603	$	3,229	$	13,099	$	4,202
General and administrative	8,755		8,136		16,845		9,474
Total costs charged to operations	$	14,358	$	11,365	$	29,944	$	13,676

Research and development expenses of $713 and general and administrative expenses of $37 related to construction in progress, were capitalized during the three and six months ended June 30, 2026, respectively. No research and development expenses and general and administrative expenses were capitalized during the three and six months ended June 30, 2025.

During the six months ended June 30, 2026, approximately 1,730,000 restricted stock units were granted to acquire shares of the Company's common stock, with a grant date fair value of approximately $107,000 under its stock-based compensation plan.

Unrecognized compensation costs and expected weighted-average period to be recognized related to the stock-based compensation awards as of June 30, 2026 were as follows:


	Restricted Stock		Stock Options		Totals
Unrecognized stock-based compensation cost	$	172,870	$	12,618	$	185,488
Weighted-average period over which cost is expected to be recognized (in years)	3.75		3.09		3.70